cmake/share/cmake-3.31/Modules/Compiler/Compaq-CXX-DetermineCompiler.cmake

set(_compiler_id_pp_test "defined(__DECCXX)")

set(_compiler_id_version_compute "
  /* __DECCXX_VER = VVRRTPPPP */
# define @PREFIX@COMPILER_VERSION_MAJOR @MACRO_DEC@(__DECCXX_VER/10000000)
# define @PREFIX@COMPILER_VERSION_MINOR @MACRO_DEC@(__DECCXX_VER/100000  % 100)
# define @PREFIX@COMPILER_VERSION_PATCH @MACRO_DEC@(__DECCXX_VER         % 10000)")